It shows just what has been done, how it has been done, when it was done, and who DRAFTING OF CAMS. By LOUIS ROUILLION. The laying out of cams is a serious problem unless you know how to go at it right. HYDRAULICS HYDRAULIC ENGINEERING. By GARDNER D. HISCox. A treatise on the properties, power, and resources of water for all purposes. Including INVENTIONS-PATENTS INVENTORS' MANUAL, HOW TO MAKE A PATENT PAY. This is a book designed as a guide to inventors in perfecting their inventions, taking Among the subjects treated in this work are: How to Invent. How to Secure a KNOTS KNOTS, SPLICES AND ROPE WORK. By A. HYATT VERRILL. This is a practical book giving complete and simple directions for making all the most useful and ornamental knots in common use, with chapters on Splicing, Pointing, Seizing, Serving, etc. This book is fully illustrated with one hundred and fifty original engravings, which show how each knot, tie or splice is formed, and its appearance when finished. The book will be found of the greatest value to Campers, Yachtsmen, Travelers, Boy Scouts, in fact, to anyone having occasion to use or handle rope or knots for any purpose. The book is thoroughly reliable and practical, and is not only a guide, but a teacher. It is the standard work on the subject. Among the contents are: 1. Cordage, Kinds of Rope. Construction of Rope, Parts of Rope Cable and Bolt Rope. Strength of Rope, Weight of Rope. 2. Simple Knots and Bends. Terms Used in Handling Rope. Seizing Rope. 3. Ties and Hitches. Noose, Loops and Mooring Knots. 5. Shortenings, Grommets and Salvages. 6. Lashings, Seizings and Splices. 7. Fancy Knots and Rope Work. 128 pages. original engravings. Price 4. 150 60 cents LATHE WORK LATHE DESIGN, CONSTRUCTION, AND OPERATION, WITH PRACTICAL EXAMPLES OF LATHE WORK. By OSCAR E. PERRIGO. A new revised edition, and the only complete American work on the subject, written by a man who knows not only how work ought to be done, but who also knows how to do it, and how to convey this knowledge to others. It is strictly up-to-date in its descriptions and illustrations. Lathe history and the relations of the lathe to manufacturing are given; also a description of the various devices for feeds and thread cutting mechanisms from early efforts in this direction to the present time. Lathe design is thoroughly discussed, including back gearing, driving cones, thread-cutting gears, and all the essential elements of the modern lathe. The classification of lathes is taken up, giving the essential differences of the several types of lathes including, as is usually understood, engine lathes, bench lathes, speed lathes, forge lathes, gap lathes, pulley lathes, forming lathes, multiple-spindle lathes, rapid-reduction lathes, precision lathes, turret lathes, special lathes, electrically-driven lathes, etc. In addition to the complete exposition on construction and design, much practical matter on lathe installation, care and operation has been incorporated in the enlarged 1915 edition. All kinds of lathe attachments for drilling, milling, etc., are described and complete instructions are given to enable the novice machinist to grasp the art of lathe operation as well as the principles involved in design. A number of difficult machining operations are described at length and illustrated. The new edition has nearly 500 pages and 350 illustrations. Price WHAT IS SAID OF THIS BOOK: $2.50 "This is a lathe book from beginning to end, and is just the kind of a book which one delights to consult, a masterly treatment of the subject in hand."-Engineering News, "This work will be of exceptional interest to anyone who is interested in lathe practice, as one very seldom sees such a complete treatise on a subject as this is on the lathe.' Canadian Machinery. TURNING AND BORING TAPERS. BY FRED H. COLVIN. There are two ways to turn tapers; the right way and one other. This treatise has LIQUID AIR LIQUID AIR AND THE LIQUEFACTION OF GASES. By T. O'CONOR SLOANE. This book gives the history of the theory, discovery, and manufacture of Liquid Air, and contains an illustrated description of all the experiments that have excited the wonder of audiences all over the country. It shows how liquid air, like water, is carried hundreds of miles and is handled in open buckets. It tells what may be expected from it in the near future. A book that renders simple one of the most perplexing chemical problems of the It is not only a work of scientific interest and authority, but is intended for the general LOCOMOTIVE ENGINEERING AIR-BRAKE CATECHISM. By ROBERT H. BLACKALL. The This book is a standard text book. It covers the Westinghouse Air-Brake Equipment, including the No. 5 and the No. 6 E. T. Locomotive Brake Equipment; the K (Quick, Service) Triple Valve for Freight Service; and the Cross-Compound Pump. operation of all parts of the apparatus is explained in detail, and a practical way of finding their peculiarities and defects, with a proper remedy, is given. It contains 2,000 questions with their answers, which will enable any railroad man to pass any examination on the subject of Air Brakes. Endorsed and used by air-brake instructors and examiners on nearly every railroad in the United States. 26th Edition. 411 pages, fully illustrated with colored plates and diagrams. $2.00 · AMERICAN COMPOUND LOCOMOTIVES. BY FRED H. COLVIN. Rich The only book on compounds for the engineman or shopman that shows in a plain Fully illustrated and containing ten special Duotone" inserts on heavy Plate Paper, . COMBUSTION OF COAL AND THE PREVENTION OF SMOKE. By Wм. M. BARR. This book has been prepared with special reference to the generation of heat by the combustion of the common fuels found in the United States and deals particularly with the conditions necessary to the economic and smokeless combustion of bituminous coal in Stationary and Locomotive Steam Boilers. Presentation of this important subject is systematic and progressive. The arrangement of the book is in a series of practical questions to which are appended accurate answers, which describe in language free from technicalities the several processes involved in the furnace combustion of American fuels; it clearly states the essential requisites for perfect combustion, and points out the best methods of furnace construction for obtaining the greatest quantity of heat from any given quality of coal. Nearly 350 pages, fully illustrated." Price DIARY OF A ROUND-HOUSE FOREMAN. By T. S. REILLY. $1.00 This is the greatest book of railroad experiences ever published. Containing a fund of LINK MOTIONS, VALVES AND VALVE SETTING. BY FRED H. COLVIN, Associate Editor of American Machinist. A handy book for the engineer or machinist that clears up the mysteries of valve LOCOMOTIVE BOILER CONSTRUCTION. By FRANK A. KLEINHANS. The construction of boilers in general is treated, and, following this, the locomotive boiler is taken up in the order in which its various parts go through the shop. Shows all types of boilers used; gives details of construction; practical facts, such as life of riveting, punches and dies; work done per day, allowance for bending and flanging sheets, and other data. Including the recent Locomotive Boiler Inspection Laws and Examination Questions with their answers for Government Inspectors. Contains chapters on Laying Out Work; Flanging and Forging; Punching; Shearing; Plate Planing; General Tables; Finishing Parts; Bending; Machinery Parts; Riveting; Boiler Details; Smoke Box Details; Assembling and Calking; Boiler Shop Machinery, etc., etc. There isn't a man who has anything to do with boiler work, either new or repair work, who doesn't need this book. The manufacturer, superintendent, foreman, and boiler worker-all need it. No matter what the type of boiler, you'll find a mint of information that you wouldn't be without. Over 400 pages, five large folding plates. Price $3.00 LOCOMOTIVE BREAKDOWNS AND THEIR REMEDIES. By GEO. L. FOWLER Revised by Wм. W. WOOD, Air-Brake Instructor. Just issued. Revised pocket edition. It is out of the question to try and tell you about every subject that is covered in this LOCOMOTIVE CATECHISM. By ROBERT GRIMSHAW. $1.00 The revised edition of "Locomotive Catechism," by Robert Grimshaw, is a New Book It commends itself at once to every Engineer and Fireman, and to all who are going in ers.' PRACTICAL INSTRUCTOR AND REFERENCE BOOK FOR LOCOMOTIVE FIREMEN AND ENGINEERS. By CHAS. F. LOCKHART. An entirely new book on the Locomotive. It appeals to every railroad man, as it tells him how things are done and the right way to do them. Written by a man who has had years of practical experience in locomotive shops and on the road firing and running. The information given in this book cannot be found in any other similar treatise. Eight hundred and fifty-one questions with their answers are included, which will prove specially helpful to those preparing for examination. Practical information on: The Construction and Operation of Locomotives; Breakdowns and their Remedies; Air Brakes and Valve Gears. Rules and Signals are handled in a thorough manner. As a book of reference it cannot be excelled. The book is divided into six parts, as follows: 1. The Fireman's Duties. 2. General Description of the Locomotive. 3. Breakdowns and their Remedies. 4. Air Brakes. 5. Extracts from Standard Rules. 6. Questions for Examination. The 851 questions have beer carefully selected and arranged. These cover the examinations required by the different railroads. 368 pages. 88 illustrations. Price PREVENTION OF RAILROAD ACCIDENTS, OR SAFETY IN RAILROADING. By GEORGE BRADSHAW. $1.50 This book is a heart-to-heart talk with Railroad Employees, dealing with facts, not theories, and showing the men in the ranks, from every-day experience, how accidents occur and how they may be avoided. The book is illustrated with seventy original photographs and drawings showing the safe and unsafe methods of work. No visionary schemes, no ideal pictures. Just plain facts and Practical Suggestions are given. Every railroad employee who reads the book is a better and safer man to have in railroad service. It gives just the information which will be the means of preventing many injuries and deaths. All railroad employees should procure a copy; read it, and do your part in preventing accidents. 169 pages. Pocket size. Fully illustrated. Price 50 cents TRAIN RULE EXAMINATIONS MADE EASY. By G. E. COLLINGWOOD. This is the only practical work on train rules in print. Every detail is covered, and puzzling points are explained in simple, comprehensive language, making it a practica. treatise for the Train Dispatcher, Engineman, Trainman, and all others who have to do with the movements of trains. Contains complete and reliable information of the Standard Code of Train Rules for single track. Shows Signals in Colors, as used on the different roads. Explains fully the practical application of train orders, giving a clear and definite understanding of all orders which may be used. The meaning and THE WALSCHAERT AND OTHER MODERN RADIAL VALVE GEARS FOR If you would thoroughly understand the Walschaert Valve Gear you should possess a copy of this book, as the author takes the plainest form of a steam engine a stationary engine in the rough, that will only turn its crank in one direction-and from it builds up with the reader's help-a modern locomotive equipped with the Walschaert Valve Gear, complete. The points discussed are clearly illustrated; two large folding plates that show the positions of the valves of both inside or outside admission type, as well as the links and other parts of the gear when the crank is at nine different points in its revolution, are especially valuable in making the movement clear. These employ sliding cardboard models which are contained in a pocket in the cover. The book is divided into five general divisions, as follows: 1. Analysis of the gear. 2. Designing and erecting the gear. 3. Advantages of the gear. 4. Questions and answers relating to the Walschaert Valve Gear. 5. Setting valves with the Walschaert Valve Gear; the three primary types of locomotive valve motion; modern radial valve gears other than the Walschaert; the Hobart All-free Valve and Valve Gear, with questions and answers on breakdowns; the Baker-Pilliod Valve Gear; the Improved Baker-Pilliod Valve Gear, with questions and answers on breakdowns. The questions with full answers given will be especially valuable to firemen and engineers in preparing for an examination for promotion. 245 pages. Third Revised Edition. Price $1.50 WESTINGHOUSE E-T AIR-BRAKE INSTRUCTION POCKET BOOK. By WM. W. WOOD, Air-Brake Instructor. Here is a book for the railroad man, and the man who aims to be one. It is without Contains examination questions and answers on the E-T equipment. Covering what MACHINE-SHOP PRACTICE If you want to It covers every $1.50 AMERICAN TOOL MAKING AND INTERCHANGEABLE MANUFACTURING. By J. V. WoOODWORTH. A "shoppy" book, containing no theorizing, no problematical or experimental devices, there are no badly proportioned and impossible diagrams, no catalogue cuts, but a valuable collection of drawings and descriptions of devices, the rich fruits of the author's own experience. In its 500-odd pages the one subject only, Tool Making, and whatever relates thereto, is dealt with. The work stands without a rival. It is a complete practical treatise on the art of American Tool Making and system of interchangeable manufacturing as carried on to-day in the United States. In it are described and illustrated all of the different types and classes of small tools, fixtures, devices, and special appliances which are in general use in all machine-manufacturing and metalworking establishments where economy, capacity, and interchangeability in the production of machined metal parts are imperative. The science of jig making is exhaust |